单词	自專主
释义	同DESPOT
随便看	trough axis trough bend trough bottom trough chain conveyor trough compass trough conveyor trough core trough cross-bedding trough cross set trough cross -stratification trough cyclone troughed troughed belt troughed bulkhead troughed core box trough-edge trough fault trough feeding trough girder trough-guide antenna trough-guide antenna-- leaky trough-guide antenna， leaky trough headwall troughing troughing idler